Focus fixed for gameplay

Conflicts:
	Tetris/bin/Release/Tetris.exe
	Tetris/bin/Release/Tetris.pdb
	Tetris/obj/Release/DesignTimeResolveAssemblyReferencesInput.cache
	Tetris/obj/Release/Tetris.csproj.FileListAbsolute.txt
	Tetris/obj/Release/Tetris.csproj.GenerateResource.Cache
	Tetris/obj/Release/Tetris.csprojResolveAssemblyReference.cache
	Tetris/obj/Release/Tetris.exe
	Tetris/obj/Release/Tetris.pdb
	Tetris/obj/Release/Tetris_MarkupCompile.cache
	Tetris/obj/Release/Tetris_MarkupCompile.i.cache
	Tetris/obj/Release/Tetris_MarkupCompile.lref